Multiplex Control Systems

• Description
• Operation
  • Tone Alarm Function
    • Ignition Key Reminder Tone Alarm Function
    • Light Reminder Tone Alarm Function
    • Seat Belt Tone Alarm Function
  • Central Door Locking System
    • Central Door Locking System Operation
    • Forgotten Key Prevention Function
  • Power Window Relay Control
    • Power Window Relay Operation
    • Power Window Timer Function
  • Remote Keyless Entry System
    • Remote Keyless Entry Answerback Function
    • Trunk Lid Opener Function
  • Windshield Wipers & Washers
    • Windshield Low-Speed (And High-Speed) Wiper Operation
    • Windshield Intermittent Wiper Operation
    • Windshield Mist Wiper Operation
    • Windshield Washer Operation
  • Seat Belt Warning Light
  • Headlight
    • Headlight Automatic Shutdown Function
    • Headlight Dimmer Switch Automatic Resetting Function
  • Flasher Timer
    • Turn Signal Light
    • Hazard Warning Light
  • Fog Light
  • Dome Light
  • Interior Light Automatic Shutdown Function
  • Door-Ajar Indicator Light
  • Theft-Alarm System
    • Theft-alarm System Operation
    • Panic Alarm Function
  • Configuration Function
• SWS Diagnosis
  • General Description
    • Before Carrying Out Troubleshooting Strategy
  • SWS Diagnostic Troubleshooting Strategy
  • Connecting SWS Monitor & Scan Tool
  • Ecu Check Function
  • Service Data Check
  • Service Data Reference Tables
    • Column ECU (Column Switch)
    • ETACS-Ecu
    • Front ECU
    • Wiper
    • Lighting
    • Turn Signal
    • Buzzer
    • Theft-Alarm
  • Pulse Check
• Component Locations
• Symptom Tests
  • Notes
  • Inspection Procedure A-1: Communication With SWS Monitor Kit Is Not Possible
  • Inspection Procedure A-2: Communication With The Column Switch (Column-Ecu) Is Not Possible
  • Inspection Procedure A-3: Communication With The ETACS-Ecu Is Impossible
  • Inspection Procedure A-4: Communication With The Front-Ecu Is Impossible
  • Inspection Procedure B-1: Ignition Key Reminder Tone Alarm Function Does Not Work Normally
  • Inspection Procedure B-2: Light Reminder Tone Alarm Function Does Not Operate Normally
  • Inspection Procedure B-3: Seat Belt Tone Alarm Function Does Not Operate Normally
  • Inspection Procedure C-1: Central Door Locking System Does Not Work At All
  • Inspection Procedure C-2: Central Door Locking System: Some Doors Do Not Lock Or Unlock
  • Inspection Procedure C-3: All Doors Do Not Lock Or Unlock With Just Door Lock Switch Operation
  • Inspection Procedure C-4: All Doors Do Not Lock Or Unlock With Just Door Lock Key Cylinder Operation
  • Inspection Procedure C-5: All Doors Do Not Lock With Just Driver's Inside Lock Knob Lock Operation
  • Inspection Procedure C-6: Forgotten Key Prevention Function Does Not Work Normally
  • Inspection Procedure D-1: Power Windows Do Not Work At All
  • Inspection Procedure D-2: Power Window Timer Does Not Work Normally
  • Inspection Procedure D-3: Only Left Front Door Window Does Not Work By Operating Power Window Main Switch
  • Inspection Procedure D-4: Power Windows Do Not Work By Operating The Front Passenger's Or Rear Passenger's Sub Switches
  • Inspection Procedure D-5: Front Or Rear Passenger's Power Windows Do Not Work At All By Operating The Power Window Main Switch
  • Inspection Procedure E-1: Keyless Entry System Does Not Operate
  • Inspection Procedure E-2: Dome Light, Hazard Warning Lights & Horn Do Not Operate Through ANSWERBACK Function
  • Inspection Procedure E-3: Keyless Entry Encrypted Code Cannot Be Registered
  • Inspection Procedure E-4: The Trunk Lid Opener Is Not Operated By The Keyless Entry Transmitter
  • Inspection Procedure E-5: None Of The Doors Are Locked And Unlocked By The Keyless Entry Transmitter
  • Inspection Procedure F-1: Windshield Wiper Does Not Work At All
  • Inspection Procedure F-2: The Windshield Wipers Do Not Work When The Windshield Wiper Switch Is At "Int" Or "Mist" Position Or The Windshield Washer Switch Is At "On" Position. However, The Wipers Work At Low Speed When The Windshield Wiper Switch Is At "Lo" Or "Hi" Position
  • Inspection Procedure F-3: Any Windshield Wiper Switch Position Is Defective
  • Inspection Procedure F-4: Windshield Wiper Does Not Stop At The Predetermined Park Position
  • Inspection Procedure F-5: Windshield Wiper Interval Cannot Be Adjusted
  • Inspection Procedure F-6: The Windshield Intermittent Wiper Interval Is Not Changed According To The Vehicle Speed
  • Inspection Procedure F-7: Windshield Washer Does Not Work
  • Inspection Procedure G-1: Seat Belt Warning Light Does Not Operate Normally
  • Inspection Procedure H-1: Taillights Do Not Illuminate Normally
  • Inspection Procedure H-2: Low Beam Headlights Do Not Operate Normally
  • Inspection Procedure H-3: High Beam Headlights Do Not Operate Normally
  • Inspection Procedure H-4: When The Passing Switch Is Turned "On", The Headlights (Low-Beam Or High-Beam) Do Not Illuminate
  • Inspection Procedure H-5: Headlights Do Not Illuminate When The Lighting Switch Is At "Head" Position. At This Position, The Headlights Cannot Be Changed Into High Beam By Operating The Dimmer Switch
  • Inspection Procedure H-6: Taillights, The Position Lights Or The License Plate Lights Do Not Illuminate
  • Inspection Procedure H-7: One Of The Headlights Does Not Illuminate
  • Inspection Procedure H-8: High Beam Indicator Light Does Not Illuminate
  • Inspection Procedure H-9: Headlight Automatic Shutdown Function Does Not Work Normally
  • Inspection Procedure H-10: Headlight Dimmer Switch Automatic Resetting Function Does Not Work Normally
  • Inspection Procedure I-1: Turn-Signal Lights Do Not Flash When The Turn-Signal Light Switch Is Turned On
  • Inspection Procedure I-2: Hazard Warning Lights Do Not Illuminate
  • Inspection Procedure I-3: The Right Or Left Turn-Signal Light Does Not Illuminate
  • Inspection Procedure J-1: Fog Lights Do Not Illuminate When Fog Light Switch Is Turned On
  • Inspection Procedure J-2: Fog Lights Do Not Go Out When Low Beams Are Turned Off While The Fog Lights Are On
  • Inspection Procedure J-3: One Of The Fog Lights Does Not Illuminate
  • Inspection Procedure K-1: Dome Light Inoperative, Trunk Light And Door-Ajar Indicator Light Do Not Illuminate & Go Out Normally
  • Inspection Procedure K-2: Front Dome Light Function Does Not Work Normally
  • Inspection Procedure K-3: Front Dome Light Dimming Function Does Not Work Normally
  • Inspection Procedure K-4: The Interior Light Automatic Shut-Down Function Does Not Operate Correctly
  • Inspection Procedure K-5: Ignition Keyhole Illumination Light Does Not Illuminate Or Go Out Normally
  • Inspection Procedure L-1: Anti-Theft Alarm System Is Not Armed (Theft-Alarm Indicator Light Does Not Illuminate)
  • Inspection Procedure L-2: Horn Does Not Sound When Anti-Theft Alarm System Is Triggered
  • Inspection Procedure L-3: High Beam Headlights Do Not Flash When Anti-Theft Alarm System Is Triggered
  • Inspection Procedure L-4: Anti-Theft System Panic Alarm Function Inoperative
  • Inspection Procedure M-1: ETACS-Ecu Does Not Receive Any Signal From The Ignition Switch (Acc)
  • Inspection Procedure M-2: ETACS-Ecu Does Not Receive A Signal From The Ignition Switch (IG1)
  • Inspection Procedure M-3: ETACS-Ecu Does Not Receive A Signal From The Fog Light Switch
  • Inspection Procedure M-4: ETACS-Ecu Does Not Receive A Signal From The Driver's Or The Front Passenger's Door Switch
  • Inspection Procedure M-5: ETACS-Ecu Does Not Receive A Signal From The Headlight Switch Taillight Switch, Passing Light Switch, Dimmer Switch & Turn Signal Light Switch
  • Inspection Procedure M-6: ETACS-Ecu Does Not Receive Any Signal For Windshield Wiper Switch Functions
  • Inspection Procedure M-7: ETACS-Ecu Does Not Receive Any Signal From Windshield Wiper Intermittent Interval Adjusting Knob
  • Inspection Procedure N-1: ETACS-Ecu Does Not Receive A Signal From The Key Reminder Switch
  • Inspection Procedure N-2: The ETACS-Ecu Does Not Receive Any Signal From The Hazard Warning Light Switch
  • Inspection Procedure N-3: The ETACS-Ecu Does Not Receive Any Signal From The Driver's Seat Belt Switch
  • Inspection Procedure N-4: The ETACS-Ecu Does Not Receive Any Signal From All Door Switches
  • Inspection Procedure N-5: The ETACS-Ecu Does Not Receive Any Signal From Driver's Or Front Passenger's Door Lock Key Cylinder Switch
  • Inspection Procedure N-6: The ETACS-Ecu Does Not Receive Any Signal From The Driver's, Front Passenger's Or Rear Door Lock Actuator Switch
  • Inspection Procedure N-7: The ETACS-Ecu Does Not Receive Any Signal From The Door Lock Switch (Incorporated In Power Window Main Switch And Power Window Sub Switch)
  • Inspection Procedure N-8: The ETACS-Ecu Does Not Receive Any Signal From Hood Switch
  • Inspection Procedure N-9: The Trunk Lid Latch Switch Signal Is Not Sent To The ETACS-Ecu
  • Inspection Procedure N-10: ETACS-Ecu Does Not Receive Vehicle Speed Signal
  • Inspection Procedure N-11: The ETACS-Ecu Does Not Receive Any Signal From The Lock, Unlock, Panic Or Trunk Switch
  • Inspection Procedure N-12: ETACS-Ecu Does Not Receive An Interior Light Loaded Signal
• Wiring Diagrams